Evolution and Natural Selection

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What does it mean to 'win' at natural selection?

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To 'win' at natural selection means to survive and reproduce.

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What is the struggle for existence against other members of an organism's species called?

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Competition

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What is the process by which modern organisms have descended from ancient organisms?

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Evolution

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What is a well-tested concept that explains a wide range of observations?

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Scientific theory

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What is the definition of adaptation?

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An inherited characteristic that increases chances of survival.

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What is natural selection?

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The process by which organisms with traits better suited to their environment tend to survive and reproduce.

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What is genetic variation?

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Differences in DNA sequences among individuals in a population.

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What is extinction?

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The end of an organism or a group of organisms, typically due to environmental changes or failure to adapt.

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What is the role of mutations in evolution?

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Mutations introduce new genetic variations that can lead to adaptations.

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What is the difference between artificial selection and natural selection?

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Artificial selection is the process by which humans breed organisms for desired traits, while natural selection occurs without human intervention.

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